Husqvarna 240440 Riding Lawn Mower Manual

The Husqvarna 240440 is a 24 HP, 44-inch cut riding lawn mower designed for residential use. It features a Briggs & Stratton engine, hydrostatic transmission, electric start, cruise control, adjustable cutting height, and a comfortable high-back seat. Below are key sections for safety, features, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Safety Information 3. Assembly & Setup 4. Specifications 5. Controls and Operation 6. Mowing Instructions 7. Maintenance Schedule 8. Storage & Winterization 9. Troubleshooting 10. Warranty Information

Features at a Glance

Key components: 24 HP Briggs & Stratton engine, 44-inch stamped steel cutting deck, Hydrostatic transmission, Electric start with key, Cruise control, Adjustable high-back seat, Headlights, Cup holder.

FeatureDescription
Engine24 HP Briggs & Stratton, single cylinder, air-cooled
Cutting Width44 inches
TransmissionHydrostatic, foot pedal control
Starting SystemElectric key start with 12V battery
Cutting HeightAdjustable from 1.5 to 4 inches
Deck EngagementElectric PTO (Power Take-Off) lever
Fuel Capacity3 gallons
SeatAdjustable high-back with armrests
Speed ControlForward/Reverse pedals, cruise control
HeadlightsIntegrated for low-light operation

Safety Information

Read all instructions before operating. Always wear appropriate safety gear.

  1. Clear mowing area of debris, toys, and obstacles.
  2. Do not carry passengers.
  3. Do not mow on slopes greater than 15 degrees.
  4. Keep hands and feet away from moving parts.
  5. Disengage blades before starting engine.
  6. Stop engine and remove key before performing maintenance.

WARNING! Gasoline is flammable; refuel outdoors with engine off and cool. Keep children and pets away during operation.

Assembly & Setup

Unpack and inspect contents. Assembly requires basic tools.

  1. Install steering wheel: Align and tighten bolt.
  2. Attach seat: Mount to frame with provided bolts.
  3. Install battery: Connect red (+) then black (-) terminals.
  4. Check tire pressure: Inflate to 10 PSI (front) and 15 PSI (rear).
  5. Add engine oil: Use SAE 30 (approx. 2 quarts).
  6. Add gasoline: Use unleaded 87 octane or higher.

CAUTION! Ensure all bolts are tightened securely. Test controls before first use.

Specifications

Controls and Operation

Dashboard: Ignition key, PTO lever, throttle, choke, hour meter. Floor: Forward/reverse pedals, brake pedal.

Starting: 1. Sit on seat. 2. Set parking brake. 3. Disengage PTO. 4. Move throttle to choke (cold) or fast. 5. Turn key to START.

Driving: Release parking brake. Press forward pedal to go forward, reverse pedal to go backward. Speed controlled by pedal pressure.

Mowing: Engage PTO lever to start blades. Adjust cutting height with lever (1.5 to 4 inches).

Stopping: Disengage PTO, move throttle to slow, turn key to OFF, set parking brake.

Mowing Instructions

For best results, mow when grass is dry.

  1. Adjust cutting height: Higher for first cut of season or uneven terrain.
  2. Overlap passes by 2-3 inches for even cut.
  3. Mow slopes up and down, not across.
  4. Use cruise control on long, straight sections.
  5. Empty grass bag when full (if equipped).
  6. Clean underside of deck after mowing to prevent rust.

Tip: Sharpen blades every 25 hours for clean cut.

Maintenance Schedule

Regular maintenance ensures long life and performance.

IntervalTask
Before each useCheck tire pressure, fuel level, look for leaks
Every 8 hoursCheck engine oil level
Every 25 hoursSharpen/replace blades, check battery terminals
Every 50 hoursChange engine oil, replace oil filter
Every 100 hoursReplace air filter, spark plug
SeasonallyGrease fittings, check belts for wear

Oil Change: Run engine to warm oil, drain via plug, refill with 2 quarts SAE 30.

Storage & Winterization

Prepare mower for off-season storage.

  1. Add fuel stabilizer to tank and run engine for 5 minutes.
  2. Change engine oil and filter.
  3. Remove spark plug, add 1 teaspoon oil, pull starter cord slowly, reinstall plug.
  4. Clean deck thoroughly, apply light oil to blades.
  5. Disconnect battery, store in cool dry place, charge monthly.
  6. Store in dry, covered location.

CAUTION! Do not store with fuel in tank without stabilizer. Gasoline degrades over time.

Troubleshooting

SymptomPossible CauseCorrective Action
Engine won't startDead battery, empty fuel, bad spark plugCharge/replace battery; add fuel; check/replace spark plug.
Engine runs roughDirty air filter, old gasolineReplace air filter; drain old fuel, add fresh.
Uneven cuttingDull blades, uneven tire pressureSharpen blades; adjust tire pressure to spec.
Loss of powerClogged deck, worn drive beltClean deck underside; inspect/replace drive belt.
Hydrostatic transmission sluggishLow fluid, air in systemCheck fluid level; bleed air per manual.

Reset: Disconnect battery for 5 minutes to reset electrical system if needed.

Warranty Information

Husqvarna 240440 includes a 2-year limited warranty for residential use. Warranty covers defects in materials and workmanship. Not covered: normal wear, improper maintenance, commercial use, accidents. For warranty service, contact authorized Husqvarna dealer with proof of purchase. For support, visit www.husqvarna.com or contact 1-800-487-5962.

Husqvarna 240440 Riding Lawn Mower Manual © - All Rights Reserved 2025